scripts/xmppconfirmhandler.php

   1 #!/usr/bin/env php
   2 <?php
   3 /*
   4  * Laconica - a distributed open-source microblogging tool
   5  * Copyright (C) 2008, Controlez-Vous, Inc.
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 # Abort if called from a web server
  22 if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
  23         print "This script must be run from the command line\n";
  24         exit();
  25 }
  26
  27 define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
  28 define('LACONICA', true);
  29
  30 require_once(INSTALLDIR . '/lib/common.php');
  31 require_once(INSTALLDIR . '/lib/jabber.php');
  32 require_once(INSTALLDIR . '/lib/queuehandler.php');
  33
  34 set_error_handler('common_error_handler');
  35
  36 define('CLAIM_TIMEOUT', 1200);
  37
  38 class XmppConfirmHandler extends QueueHandler {
  39
  40         var $_id = 'confirm';
  41
  42         function start() {
  43                 # Low priority; we don't want to receive messages
  44                 $this->log(LOG_INFO, "INITIALIZE");
  45                 $this->conn = jabber_connect($this->_id);
  46                 if ($this->conn) {
  47                         $this->conn->addEventHandler('message', 'forward_message', $this);
  48                         $this->conn->addEventHandler('reconnect', 'handle_reconnect', $this);
  49                         $this->conn->setReconnectTimeout(600);
  50                         jabber_send_presence("Send me a message to post a notice", 'available', NULL, 'available', -1);
  51                 }
  52                 return !is_null($this->conn);
  53         }
  54
  55         function handle_reconnect(&$pl) {
  56                 $this->conn->processUntil('session_start');
  57                 $this->conn->presence(NULL, 'available', NULL, 'available', -1);
  58         }
  59
  60         function run() {
  61                 if (!$this->start()) {
  62                         return false;
  63                 }
  64                 $this->log(LOG_INFO, 'checking for queued confirmations');
  65                 do {
  66                         $confirm = $this->next_confirm();
  67                         if ($confirm) {
  68                                 $this->log(LOG_INFO, 'Sending confirmation for ' . $confirm->address);
  69                                 $user = User::staticGet($confirm->user_id);
  70                                 if (!$user) {
  71                                         $this->log(LOG_WARNING, 'Confirmation for unknown user ' . $confirm->user_id);
  72                                         continue;
  73                                 }
  74                                 $success = jabber_confirm_address($confirm->code,
  75                                                                                                   $user->nickname,
  76                                                                                                   $confirm->address);
  77                                 if (!$success) {
  78                                         $this->log(LOG_ERR, 'Confirmation failed for ' . $confirm->address);
  79                                         # Just let the claim age out; hopefully things work then
  80                                         continue;
  81                                 } else {
  82                                         $this->log(LOG_INFO, 'Confirmation sent for ' . $confirm->address);
  83                                         # Mark confirmation sent
  84                                         $original = clone($confirm);
  85                                         $confirm->sent = $confirm->claimed;
  86                                         $result = $confirm->update($original);
  87                                         if (!$result) {
  88                                                 $this->log(LOG_ERR, 'Cannot mark sent for ' . $confirm->address);
  89                                                 # Just let the claim age out; hopefully things work then
  90                                                 continue;
  91                                         }
  92                                 }
  93                                 $this->idle(0);
  94                         } else {
  95 #                               $this->clear_old_confirm_claims();
  96                                 $this->idle(10);
  97                         }
  98                 } while (true);
  99                 if (!$this->finish()) {
 100                         return false;
 101                 }
 102                 return true;
 103         }
 104
 105         function next_confirm() {
 106                 $confirm = new Confirm_address();
 107                 $confirm->whereAdd('claimed IS NULL');
 108                 $confirm->whereAdd('sent IS NULL');
 109                 # XXX: eventually we could do other confirmations in the queue, too
 110                 $confirm->address_type = 'jabber';
 111                 $confirm->orderBy('modified DESC');
 112                 $confirm->limit(1);
 113                 if ($confirm->find(TRUE)) {
 114                         $this->log(LOG_INFO, 'Claiming confirmation for ' . $confirm->address);
 115                         # working around some weird DB_DataObject behaviour
 116                         $confirm->whereAdd(''); # clears where stuff
 117                         $original = clone($confirm);
 118                         $confirm->claimed = common_sql_now();
 119                         $result = $confirm->update($original);
 120                         if ($result) {
 121                                 $this->log(LOG_INFO, 'Succeeded in claim! '. $result);
 122                                 return $confirm;
 123                         } else {
 124                                 $this->log(LOG_INFO, 'Failed in claim!');
 125                                 return false;
 126                         }
 127                 }
 128                 return NULL;
 129         }
 130
 131         function clear_old_confirm_claims() {
 132                 $confirm = new Confirm();
 133                 $confirm->claimed = NULL;
 134                 $confirm->whereAdd('now() - claimed > '.CLAIM_TIMEOUT);
 135                 $confirm->update(DB_DATAOBJECT_WHEREADD_ONLY);
 136         }
 137
 138         function idle($timeout=0) {
 139                 $this->conn->processTime($timeout);
 140         }
 141
 142         function forward_message(&$pl) {
 143                 if ($pl['type'] != 'chat') {
 144                     $this->log(LOG_DEBUG, 'Ignoring message of type ' . $pl['type'] . ' from ' . $pl['from']);
 145                         return;
 146                 }
 147                 $listener = $this->listener();
 148                 if (strtolower($listener) == strtolower($pl['from'])) {
 149                         $this->log(LOG_WARNING, 'Ignoring loop message.');
 150                         return;
 151                 }
 152                 $this->log(LOG_INFO, 'Forwarding message from ' . $pl['from'] . ' to ' . $listener);
 153                 $this->conn->message($this->listener(), $pl['body'], 'chat', NULL, $this->ofrom($pl['from']));
 154         }
 155
 156         function ofrom($from) {
 157                 $address = "<addresses xmlns='http://jabber.org/protocol/address'>\n";
 158                 $address .= "<address type='ofrom' jid='$from' />\n";
 159                 $address .= "</addresses>\n";
 160                 return $address;
 161         }
 162
 163         function listener() {
 164                 if (common_config('xmpp', 'listener')) {
 165                         return common_config('xmpp', 'listener');
 166                 } else {
 167                         return jabber_daemon_address() . '/' . common_config('xmpp','resource') . '-listener';
 168                 }
 169         }
 170 }
 171
 172 ini_set("max_execution_time", "0");
 173 ini_set("max_input_time", "0");
 174 set_time_limit(0);
 175 mb_internal_encoding('UTF-8');
 176
 177 $resource = ($argc > 1) ? $argv[1] : (common_config('xmpp', 'resource').'-confirm');
 178
 179 $handler = new XmppConfirmHandler($resource);
 180
 181 $handler->runOnce();
 182